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[L. musculus, diminutive of mus, mouse] A type of tissue composed of contractile cells. Each muscle cell is filled with parallel actin and myosin filaments. When activated by an internal release of calcium, the filaments use the energy in adenosine triphosphate to crawl along each other in opposite directions. This movement shortens the length of the cell, which then contracts. The three classes of myocytes (muscle cells) are skeletal (striated), cardiac (striated), and smooth; most human muscle is skeletal. A typical muscle has a central portion (the belly) and two or more attachment ends with tendons. The more stationary of the attachments is called the origin; the more movable attachment is called the insertion.
Venes, Donald, editor. "Muscle." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/765961/all/leg_muscle.
Muscle. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/765961/all/leg_muscle. Accessed October 20, 2019.
Muscle. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/765961/all/leg_muscle
Muscle [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 October 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/765961/all/leg_muscle.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - muscle
ID - 765961
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/765961/all/leg_muscle
PB - F.A. Davis Company
ET - 23
DB - Nursing Central
DP - Unbound Medicine